[FFmpeg-devel] [PATCH] doc/encoders: Add libtwolame doc

Timothy Gu timothygu99 at gmail.com
Sun Jun 2 01:26:03 CEST 2013


Now I use the same wording as libx264:
"The TwoLAME-equivalent options follow the FFmpeg ones"

Hopefully this is the last patch.

 doc/encoders.texi | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)

diff --git a/doc/encoders.texi b/doc/encoders.texi
index 6bf9280..a705e7d 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -441,6 +441,69 @@ Enables the encoder to use (on a frame by frame basis) either L/R
 stereo or mid/side stereo.
 @end multitable
+ at section libtwolame
+TwoLAME MP2 encoder wrapper
+Requires the presence of the libtwolame headers and library during
+configuration. You need to explicitly configure the build with
+ at code{--enable-libtwolame}.
+ at subsection Options Mapping
+The following options are supported by the libtwolame wrapper. The
+TwoLAME-equivalent options follow the FFmpeg ones and are in
+ at table @option
+ at item b
+(b) Set bitrate in bits/s. Note that FFmpeg @code{b} option is
+expressed in bits/s, twolame @code{b} in kilobits/s. The default
+value is 128k.
+ at item q
+(V) Set quality for experimental VBR support. Maximum value range is
+from -50 to 50, useful range is from -10 to 10.
+ at item mode
+(mode) Set MPEG mode. Possible values:
+ at table @samp
+ at item auto
+Choose mode automatically based on the input. (This is the default.)
+ at item stereo
+ at item joint_stereo
+Joint stereo
+ at item dual_channel
+Dual channel
+ at item mono
+ at end table
+ at item psymodel
+(psyc-mode) Set psychoacoustic model to use in encoding. The argument
+must be an integer between -1 and 4, inclusive. The higher the value,
+the better the quality. The default value is 3.
+ at item energy_levels
+(energy) Enable energy levels extensions when set to 1. The default
+value is 0 (disabled).
+ at item error_protection
+(protect) Enable CRC error protection when set to 1. The default value
+is 0 (disabled).
+ at item copyright
+(copyright) Set MPEG audio copyright flag when set to 1. The default
+value is 0 (disabled).
+ at item original
+(original) Set MPEG audio original flag when set to 1. The default
+value is 0 (disabled).
+ at end table
 @c man end AUDIO ENCODERS
 @chapter Video Encoders

More information about the ffmpeg-devel mailing list